On Wed, Sep 19, 2012 at 6:13 AM, Antoon Pardon <antoon.par...@rece.vub.ac.be> wrote: > On 19-09-12 13:17, Neal Becker wrote: >> I have a list of dictionaries. They all have the same keys. I want to find >> the >> set of keys where all the dictionaries have the same values. Suggestions? > common_items = reduce(opereator.__and__, [set(dct.iteritems()) for dct > in lst]) > common_keys = set([item[0] for item in common_items])
You can use dictviews for that: common_items = reduce(operator.__and__, (d.viewitems() for d in ds)) common_keys = [item[0] for item in common_items] -- http://mail.python.org/mailman/listinfo/python-list
